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PCE
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DIFF Subgroup
E06C 1/24

free-standing ladders

Introduced: September 1968

Title

Titles differ between systems:

IPC: Free-standing ladders

CPC: free-standing ladders

Full Title

Full titles differ between systems:

IPC:

Ladders in general > with rigid longitudinal member or members > Ladders capable of standing by themselves > Free-standing ladders

CPC:

Ladders in general (mounted on undercarriages or vehicles E06C5/00; permanently attached to fixed structures E06C9/00) > with rigid longitudinal member or members > Ladders capable of standing by themselves > free-standing ladders

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E06C 1/26 in one piece IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class E06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SGCC(STATE GRID CORPORATION OF CHINA) 1,398
  2. YKK AP 1,252
  3. LIXIL CORPORATION 1,235
  4. SAINT-GOBAIN GLASS FR 1,133
  5. BUNKA SHUTTER COMPANY 839
  6. HUNTER DOUGLAS US 812
  7. SANKYOTATEYAMA 796
  8. SANWA SHUTTER CORPORATION 699
  9. VKR HOLDING DK 579
  10. VIEW US 557

Top Applicants (CPC)

Class E06,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAINT-GOBAIN GLASS FR 1,388
  2. HUNTER DOUGLAS US 874
  3. VIEW US 763
  4. VKR HOLDING DK 627
  5. GUARDIAN GLASS US 460
  6. PANASONIC INTELLECTUAL PROPERTY JP 426
  7. LG ELECTRONICS KR 406
  8. SOMFY ACTIVITES FR 368
  9. SGCC(STATE GRID CORPORATION OF CHINA) 353
  10. AGC GLASS EUROPE BE 350